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Which of the following statements are true? (A) An algorithm may produce no output (B) An algorithm expressed in a programming language is called a computer program. (C) An algorithm is expressed in a graphical form known as a flowchart (D) An algorithm can have an infinite sequence of instructions. Choose the correct answer from the options given below:

Which of the following statements are true? (A) An algorithm may produce no output (B) An algorithm expressed in a programming language is called a computer program. (C) An algorithm is expressed in a graphical form known as a flowchart (D) An algorithm can have an infinite sequence of instructions. Choose the correct answer from the options given below: Correct Answer (B) and (C) only

The origin of the term Algorithm is traced to Persian astronomer and mathematician, Abu Abdullah Muhammad ibn Musa Al-Khwarizmi (c. 850 AD) as the Latin translation of AlKhwarizmi was called ‘Algorithmi’.

  • A programmer writes a program to instruct the computer to do certain tasks as desired.
  • The computer then follows the steps written in the program code.
  • Therefore, the programmer first prepares a roadmap of the program to be written, before actually writing the code.
  • Without a roadmap, the programmer may not be able to clearly visualize the instructions to be written and may end up developing a program that may not work as expected.
  • Such a roadmap is nothing but the algorithm which is the building block of a computer program.
  • Hence, it is clear that we need to follow a sequence of steps to accomplish the task.
  • Such a finite sequence of steps required to get the desired output is called an algorithm. It will lead to the desired result in a finite amount of time if followed correctly.
  • The algorithm has a definite beginning and a definite end and consists of a finite number of steps.
  • In mathematics and computer science, an algorithm is a finite sequence of well-defined, computer-implementable instructions, typically to solve a class of problems or to perform a computation or produce the desired output.
  • Algorithms are always unambiguous and are used as specifications for performing calculations, data processing, automated reasoning, and other tasks.
  • We can express an algorithm in many ways, including natural language, flow charts, pseudocode, and of course, actual programming languages.
  • An algorithm expressed in a programming language is called a computer program.
  • An algorithm is expressed in a graphical form known as a flowchart.
  • For example, searching using a search engine, sending a message, finding a word in a document, booking a taxi through an app, performing online banking, playing computer games, all are based on algorithms.

Thus, option 4 is the correct answer.

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